2023 head-to-head · Subcompact Car
2023 Audi TTS Coupe vs Porsche 911
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
AWD · 2.0L 4-cyl turbo · 7-speed dual-clutch · 26 MPG
The 2023 Audi TTS Coupe is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,279 a year to fuel (26 MPG), versus $2,821 for the 2023 Porsche 911 (21 MPG). That's roughly $543 a year, or about $2,713 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Audi TTS Coupe
- Porsche 911
Side by side
| Audi TTS Coupe | Porsche 911 | |
|---|---|---|
| $2,279 | Your annual fuel cost | $2,821 |
| 26 MPG | Combined efficiency | 21 MPG |
| 23 MPG | City | 18 MPG |
| 31 MPG | Highway | 25 MPG |
| 74 cu ft | Passenger volume | 70 cu ft |
| 13 cu ft | Cargo volume | 5 cu ft |
| 337 g/mi | Tailpipe CO₂ (g/mi) | 425 g/mi |
| 5/10 | EPA fuel economy score | 4/10 |
| 5/10 | EPA greenhouse gas score | 4/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 3.0L 6-cyl turbo |
| 7-speed dual-clutch | Transmission | 7-speed manual |
| AWD | Drivetrain | RWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Audi TTS Coupe vs Porsche 911 across model years
- Audi TTS Coupe
- Porsche 911
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Per EPA interior volume figures, the Audi TTS Coupe has more passenger space (74 vs. 70 cu ft); the Audi TTS Coupe has more cargo space (13 vs. 5 cu ft).
Among 31 2023 subcompact cars, the Audi TTS Coupe ranks 14th and the Porsche 911 22nd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2023 Audi TTS Coupe or the 2023 Porsche 911?
Measured by cost to drive, the Audi TTS Coupe. The Audi TTS Coupe is rated 26 MPG combined and the Porsche 911 21 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2023 Audi TTS Coupe vs. the Porsche 911 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,279 for the Audi TTS Coupe and $2,821 for the Porsche 911.
Which has more cargo space?
The Audi TTS Coupe, with 13 cu ft of luggage volume versus 5 cu ft (EPA interior volume index).
Audi TTS Coupe vs Porsche 911 in other years
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